code: def get_access_token() -> str:
      """return current access token
  
      Returns:
          str: token
      """
      return (
          Config()
          .get("auth", {})
          .get("oauth", {})
          .get("tokens", {})
          .get("access_token")
      )
  
file_path: mindsdb/mindsdb/api/http/namespaces/auth.py
imports: import base64
  import secrets
  import time
  import urllib
  import requests
  from flask import redirect, request, session, url_for
  from flask_restx import Resource
  from mindsdb.api.http.namespaces.configs.auth import ns_conf
  from mindsdb.utilities.config import Config
  from mindsdb.utilities import log
label_desc: Use image node_id 1 for calling a global function with example usage: get_access_token() and returns: Config